Hitch ball



FIG. 1 is an isometric view of the hitch ball of the present invention;

FIG. 2 is a left side elevational view, where the right side elevational view, front elevational view, and rear elevational view being a substantial mirror image thereof;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a top plan view thereof. 

The ornamental design for a hitch ball, as shown and described. 